Water Pump Mechanical Seal Inspection; Water Pump Removal - Honda 2010 CRF250R Service Manual

COOLING SYSTEM
WATER PUMP
MECHANICAL SEAL INSPECTION
Check the bleed hole of the water pump for signs of
coolant leakage.
If water leaks through the bleed hole, replace Ihe
mechanical seal (page 6-11).
If oil leaks through the bleed hole, replace the oil seal
(page
6-11)
A small amount of weeping from the bleed hole is
normal.
Make sure that there is no continuous coolant
leakage from the bleed hole while operating the
engine.
REMOVAL
Drain the coolant (page 6-7)
Remove the drain bolt and sealing washer.
Remove the bolts and water pump cover.
Remove the G-ring and dowel pins.
The impeller has Jeft
Loosen the impeller.
hand threads.
Remove the right crankcase cover (page 10-5).
The impeller has left Remove the impeller and plain washer.
hand threads.
6-10